/**
 * $Id: BIF_drawseq.h 16405 2008-09-07 11:36:52Z aligorith $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef BIF_DRAWSEQ_H
#define BIF_DRAWSEQ_H

struct ScrArea;
struct Sequence;

#define SEQ_ZOOM_FAC(szoom) (szoom > 0)? (szoom) : (szoom == 0)? (1.0) : (-1.0/szoom)

void drawprefetchseqspace(struct ScrArea *sa, void *spacedata);
void drawseqspace(struct ScrArea *sa, void *spacedata);
void set_special_seq_update(int val);

void seq_viewmove(SpaceSeq *sseq);
void seq_reset_imageofs(SpaceSeq *sseq);
void seq_viewzoom(unsigned short event, int invert);
void seq_home(void);
#endif

